CVE-2018-14774

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CVSS 3.0

7.2 high

EPSS

1%p65

Published

Aug 3, 2018 (Aug 3, 2018)

Modified

Jun 17, 2026

Description

An issue was discovered in HttpKernel in Symfony 2.7.0 through 2.7.48, 2.8.0 through 2.8.43, 3.3.0 through 3.3.17, 3.4.0 through 3.4.13, 4.0.0 through 4.0.13, and 4.1.0 through 4.1.2. When using HttpCache, the values of the X-Forwarded-Host headers are implicitly set as trusted while this should be forbidden, leading to potential host header injection.

Vendors: sensiolabs
Products: symfony
Weakness: CWE-20
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (1.1%)

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